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4400401 is a prime number
BaseRepresentation
bin10000110010010100010001
322021120012211
4100302110101
52111303101
6234152121
752255105
oct20622421
98246184
104400401
1125360a5
121582641
13bb0bb5
14827905
155bdc51
hex432511

4400401 has 2 divisors, whose sum is σ = 4400402. Its totient is φ = 4400400.

The previous prime is 4400393. The next prime is 4400413. The reversal of 4400401 is 1040044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 1628176 = 1665^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400401 - 23 = 4400393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4400101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200200 + 2200201.

It is an arithmetic number, because the mean of its divisors is an integer number (2200201).

Almost surely, 24400401 is an apocalyptic number.

It is an amenable number.

4400401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400401 is an equidigital number, since it uses as much as digits as its factorization.

4400401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4400401 is about 2097.7132787872. The cubic root of 4400401 is about 163.8692319663.

Adding to 4400401 its reverse (1040044), we get a palindrome (5440445).

The spelling of 4400401 in words is "four million, four hundred thousand, four hundred one".